Home / 8,336.30-12,487.65-5,206.70

Finding the Fourth Proportional to 8,336.30, 12,487.65 and 5,206.70

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Solution

The fourth proportional to 8,336.30, 12,487.65 and 5,206.70 is: 7,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.30 : 12,487.65 = 5,206.70 : x
  2. Step 2: Convert to fraction form
    8,336.30/12,487.65 = 5,206.70/x
  3. Step 3: Cross multiply
    8,336.30x = 12,487.65 × 5,206.70
  4. Step 4: Simplify right side
    8,336.30x = 65,019,447.26
  5. Step 5: Solve for x
    x = 65,019,447.26/8,336.30
  6. Step 6: Final answer
    x = 7,799.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.